package cn.tedu.sp06.filter;

import com.netflix.zuul.ZuulFilter;
import com.netflix.zuul.context.RequestContext;
import com.netflix.zuul.exception.ZuulException;
import org.apache.commons.lang.StringUtils;
import org.springframework.cloud.netflix.zuul.filters.support.FilterConstants;

import javax.servlet.http.HttpServletRequest;

public class AccessFilter extends ZuulFilter {
    @Override
    public String filterType() {
        return FilterConstants.PRE_TYPE;
    }

    @Override
    public int filterOrder() {
        return 6;
    }

    @Override
    public boolean shouldFilter() {
        RequestContext ctx = RequestContext.getCurrentContext();
        String serviceId = (String) ctx.get(FilterConstants.SERVICE_ID_KEY);
        return "item-service".equals(serviceId);
    }

    @Override
    public Object run() throws ZuulException {
       RequestContext ctx = RequestContext.getCurrentContext();
        HttpServletRequest request = ctx.getRequest();

        String token = request.getParameter("token");
        if(StringUtils.isBlank(token)) {
            ctx.setSendZuulResponse(false);
            ctx.addZuulResponseHeader("Content-Type", "text/html;charset=UTF-8");
            ctx.setResponseBody("Not Login!");

        }
        return null;
    }
}
